#include <cstdio>
#include <cmath>
#include <cstring>
#include <algorithm>
using namespace std;

int n;

int main(int argc, char const *argv[])
{
	freopen("init.in", "r", stdin);
	scanf("%d", &n);

	for (int i = 2; i <= sqrt(n); i++)
	{
		if (!(n % i))
		{
			printf("\\n\n");
			return 0;
		}
	}

	printf("\\t\n");
	return 0;
}
